Home / 140,534,770.70-193,944,044.17-77,810,869.86

Finding the Fourth Proportional to 140,534,770.70, 193,944,044.17 and 77,810,869.86

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Solution

The fourth proportional to 140,534,770.70, 193,944,044.17 and 77,810,869.86 is: 107,382,356.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,534,770.70 : 193,944,044.17 = 77,810,869.86 : x
  2. Step 2: Convert to fraction form
    140,534,770.70/193,944,044.17 = 77,810,869.86/x
  3. Step 3: Cross multiply
    140,534,770.70x = 193,944,044.17 × 77,810,869.86
  4. Step 4: Simplify right side
    140,534,770.70x = 15,090,954,779,966,640
  5. Step 5: Solve for x
    x = 15,090,954,779,966,640/140,534,770.70
  6. Step 6: Final answer
    x = 107,382,356.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.